#import <Foundation/Foundation.h>
@interface NSString (Tools)
- (BOOL)isHexString;
+ (BOOL)isEmpty:(NSString *)string;
- (NSString *)trim;
+ (NSString *)_859ToUTF8:(NSString *)oldStr;
#pragma mark -- text color
+ (NSMutableAttributedString *)setAllText:(NSString *)allStr andSpcifiStr:(NSString *)keyWords withColor:(UIColor *)color specifiStrFont:(UIFont *)font;
+ (NSString *)currentSystemLanguage;
- (BOOL)pk_isNotEmpty;
- (NSString *)pk_deleteFirstCharacter;
- (NSString *)pk_deleteLastCharacter;
+ (NSString *)pk_stringValueCurrency:(NSNumber *)number;
- (NSString *)cleanPhoneNumber;
+ (NSString *)ct_encodeUrl:(NSString *)urlString;
+ (NSString *)ct_decodeUrl:(NSString *)urlString;
+ (NSString *)stringReplacedWithLocalizedString:(NSString *)localizeddString source:(NSString *)source target:(NSString *)target;
@end
